Finding the Fourth Proportional to 131,684.72, 181,723.60 and 71,254.04

Step by Step Solution

1. Step 1: Write the proportion equation
   131,684.72 : 181,723.60 = 71,254.04 : x
2. Step 2: Convert to fraction form
   131,684.72/181,723.60 = 71,254.04/x
3. Step 3: Cross multiply
   131,684.72x = 181,723.60 × 71,254.04
4. Step 4: Simplify right side
   131,684.72x = 12,948,540,663.34
5. Step 5: Solve for x
   x = 12,948,540,663.34/131,684.72
6. Step 6: Final answer
   x = 98,329.86